Cornelius a



Patented lune 19;*1900.

No. 652,232'. l C. A. CLU LP.

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(Applicat-iou led Sept. 27, 1899,)

(N0 Model.)

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me nofws rn UNITED STATES CORNELIUS A.

PATENT OFFICE.

CULI), OF PACIEICfGROVE, CALIFORNIA, ASSIGNOR TO CULI BROTHERS,

OF SAME PLACE.

TmE-DFLATER.

SPECIFICATION forming' part of Letters Patent No. 652,232, dated June 19, 1900.

Application tiled September 27, 13,99. Serial No. '731,858- (No model.)

T0 all whom it may concern:

Be it known that I, CORNELIUS A. CULP, a4 citizen of the United States, residing at Paciiic. Grove, in the county of Monterey and State" of California, have invented certain new anduseful Improvements in Tire-Detlaters, ofV which the following is a specification.

The object of my invention is to provide an improved device valve of a pneumatic tire in order to deate" the tire and, furthermore, to provide such a device which can be readily used with valvesI of various depths.

My invention therefore resides in the novel construction, combination, and arrangement of parts for the above end hereinafter fully. specified, and particularly pointed out in the claims.

In the accompanying drawings,-Figure lis a side elevation of my improved device, and Fig. 2 is a longitudinal section 'of the device in position on a valve.

Referring to the drawings, a represents a cylindrical sleeve having a contracted apertured end or nipple b, adapted to enter the outer end c of a valve d of a bicycle-tire and externally threaded, as at e, to engage the internal threads of said valve end. The upper..v end of said sleeve is internally threaded, as,"

shown at f, to furnish an adjustable bearingv for a screw g, having a milled head h and car-l rying a push-rod k. The free end of said rod 7c extends loosely into the aperture of the nipple Z9', so that when the device is screwed into the valve end the end of the rod lo abnts against the end of the valve-plunger and depresses the valve, and While the device is in position the valve is maintained open, thus permitting the air to escape. Space is left in the aperture of the nipple b around the end 'd the air finally fplunger.

for maintaining open the' of the push-rod 76 to let the air escape from the valve, and from the interior of the sleeve escapes by lateral apertures Z in the sleeve. The end of the rod k is concaved to better it over the end of the valve- Since the push-rod 7.: is held in the sleeve a adj ustably, it can be moved in or out to t different depths of valves.

The device may `also be used by screwing o n the sleeve a after the push-rod 7c has been vwithdrawn and then screwing in the push-rod Vto open the valve.

I claiml. A tire-deflater comprising a cylindrical sleeve constructed'at its lower end to sit in the end of a tire-valve and threaded at its upper end and having a lateral aperture, and 'a push-rod having a threaded support to engage the threaded upper end of the sleeve, the lower end of the rod being adapted to abut against the upper end of the valve-plum ger to depress the same, substantially as des scribed.

2. A tire-deiiater comprising a cylindrical sleeve having an externally-threaded nipple -at its lower end, and internally threaded at vits upper end and having a lateral aperture,

and a push-rod having a threaded support screwed into the upper end of the sleeve, the vlower' end of the rod being adapted to abut against the upper end of the valve-plunger to I Adepress the same, substantially as described.

In Witness whereof I have hereunto set my hand in the presence of two subscribing Witnesses.

- p CORNELIUS A. CULP.

Vitnesses:

C. D. SMITH, L. N. McALLIsTEE. 

